Style de citation APA (7e éd.)

Brown, E. (1991). Business letters for a joint venture =: Listy handlowe w języku angielskim (First published.). Brown Publishing.

Style de citation Chicago (17e éd.)

Brown, Emilia. Business Letters for a Joint Venture =: Listy Handlowe W Języku Angielskim. First published. Oxford: Brown Publishing, 1991.

Style de citation MLA (9e éd.)

Brown, Emilia. Business Letters for a Joint Venture =: Listy Handlowe W Języku Angielskim. First published. Brown Publishing, 1991.